.box {
	width: 1200px;
	margin: 80px auto 100px auto;
}

.mobox{
	display: none;
	margin-top: 0.8rem;
	margin-bottom: 1rem;
}
.imgbox {
	width: 100%;
	margin-bottom: 80px;
	position: relative;
	overflow: hidden;
}
.imgbox img{
	width: 100%;
}

.mobox .imgbox{
	margin-bottom: 0.8rem;
}

.mk{
	width: 520px;
	height: 370px;
	position: absolute;
	bottom: 0;
}

.line {
	width: 0px;
	height: 2px;
	position: absolute;
	bottom: 0;
	background: #2a90f5;
	transition: all 1s;
}

.linet,.mkt {
	left: 0px;
}

.lineb,.mkb {
	left: 680px;
}
@media screen and (min-width: 0px) and (max-width: 768px) {
	.box{
		display: none;
	}
	.mobox{
		display: block;
	}
	
}